Dwyer Instruments 1823-00 Pressure Switch 321894-709 By facilitating the addition of

By facilitating the addition of more motorized air volume control dampers

For applications involving specialty gases like hydrogen or natural gas

it ensures direct mechanical alignment and electrical compatibility within Carrier

providing a high-torque mechanical connection that resists vibration

Common Questions Is a capacitor included with the motor

Dwyer Instruments 1823-00 Pressure Switch 321894-709 By facilitating the addition ofThe Dwyer Instruments 1823 00 Pressure Switch is a industrial grade solution designed for precision monitoring of air and non combustible gases in HVAC systems. Covering a set point range of 0. 07" to 0. 22" w. c., this differential pressure switch is essential for verifying fan status, filter efficiency, and low airflow conditions. It features an approximate deadband of 0. 05", ensuring stable operation without excessive cycling in turbulent